Home / 31,903.46-47,855.64-12,183.10

Finding the Fourth Proportional to 31,903.46, 47,855.64 and 12,183.10

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Solution

The fourth proportional to 31,903.46, 47,855.64 and 12,183.10 is: 18,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.46 : 47,855.64 = 12,183.10 : x
  2. Step 2: Convert to fraction form
    31,903.46/47,855.64 = 12,183.10/x
  3. Step 3: Cross multiply
    31,903.46x = 47,855.64 × 12,183.10
  4. Step 4: Simplify right side
    31,903.46x = 583,030,047.68
  5. Step 5: Solve for x
    x = 583,030,047.68/31,903.46
  6. Step 6: Final answer
    x = 18,274.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.